Boytond S19 UltraFit Series Ultra Open Ear Earbuds Instruction Manual

1. Introduction

Welcome to the Boytond S19 UltraFit Series Ultra Open Ear Earbuds. These innovative earbuds are designed to provide a comfortable and immersive audio experience while keeping you aware of your surroundings. Featuring an ergonomic clip-on design, advanced Bluetooth 5.3 connectivity, and long-lasting battery life, they are ideal for various activities including sports, fitness, and daily use.

Figure 1: Boytond S19 UltraFit Series Ultra Open Ear Earbuds and Charging Case.

2. Product Overview

The Boytond S19 UltraFit Series earbuds offer a unique open-ear design that prioritizes comfort and situational awareness. Key features include:

• Immersive Open-Ear Design: Enjoy rich sound while remaining connected to your environment. The design promotes ventilation and reduces sweat buildup, ensuring comfort during extended use.
• Ergonomic and Comfortable Fit: Designed with flexible joints and lightweight, breathable grips, these clip-on earbuds sit securely over your ears without causing pressure. This allows for natural conversation without removal, enhancing safety and spatial awareness.
• Realistic Stereo Experience & Clear Calls: Equipped with 16.3mm dynamic drivers, the earbuds deliver immersive stereo sound with clear instrument and vocal reproduction. Advanced drivers ensure crystal-clear communication for seamless conversations.
• Extended Playback Time: Powered by high-density lithium batteries and energy-locking technology, the earbuds offer up to 10 hours of continuous playback on a single charge. The charging case provides an additional 40 hours, totaling up to 50 hours. Fast-charging technology allows for 1 hour of playback with just 5 minutes of charging.
• Advanced Bluetooth 5.3 Connectivity: Experience fast data transmission and stable connections within a 33-foot range. Intelligent auto-on and connect features provide uninterrupted, low-latency audio.

Figure 2: Ergonomic clip-on design for secure fit.

Figure 3: Lightweight design ensures comfort.

3. What's in the Box

Upon unboxing your Boytond S19 UltraFit Series Earbuds, you will find the following components:

• Boytond True Wireless Earbuds (x2)
• Boytond Charging Case (x1)
• Fast Charging USB-C Cable (x1)
• Quick Start User Guide (x1)

Figure 4: Included components in the product packaging.

4. Setup

4.1 Charging the Case and Earbuds

1. Place the earbuds into the charging case. Ensure they are correctly seated to initiate charging.
2. Connect the USB-C charging cable to the charging port on the case and to a power source.
3. The digital display on the charging case will show the battery level of the case and individual earbuds. A full charge is indicated by '100' on the display.

Figure 5: Earbuds in charging case with digital battery display.

4.2 Pairing with a Device

1. Open the charging case. The earbuds will automatically power on and enter pairing mode, indicated by a flashing red and blue light on the earbuds.
2. On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
3. Select 'YYK-S19' from the list of available devices to connect. Once connected, the indicator light on the earbuds will stop flashing.

Figure 6: Earbuds connected to multiple devices via Bluetooth 5.3.

5. Operating Instructions

5.1 Wearing the Earbuds

The S19 UltraFit Series earbuds feature a clip-on design. Gently place the earbud over your ear, ensuring the speaker rests comfortably near your ear canal without entering it. The flexible design adapts to various ear shapes for a secure and comfortable fit.

Video 3: Demonstration of wearing the ergonomic clip-on earbuds.

5.2 Touch Controls

The earbuds are equipped with intuitive touch controls for easy management of music and calls:

• Play/Pause: Single tap on either earbud.
• Next Song: Double tap on the right earbud.
• Previous Song: Triple tap on the left earbud.
• Volume Up: Double tap on the left earbud.
• Volume Down: Double tap on the right earbud.
• Answer/End Call: Single tap on either earbud.
• Reject Call: Press and hold either earbud for 1 second.
• Activate Voice Assistant (Siri/Google Assistant): Triple tap on either earbud.

Figure 7: Overview of earbud touch controls.

6. Maintenance

• Cleaning: Regularly wipe the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
• Storage: Store the earbuds in their charging case when not in use to protect them and ensure they remain charged.
• Water Resistance: The earbuds are waterproof, making them suitable for exercise and light rain. However, avoid prolonged submersion in water.

7. Troubleshooting

• Earbuds not pairing: Ensure both earbuds are in the charging case, then open the lid to activate pairing mode. Check your device's Bluetooth settings to ensure 'YYK-S19' is selected.
• No sound: Verify that the earbuds are connected to your device and the volume is turned up on both the earbuds and your device.
• Charging issues: Ensure the charging cable is securely connected to both the case and the power source. Check the charging contacts on the earbuds and inside the case for any debris.
• Resetting Earbuds: If you experience persistent issues, refer to the quick start guide for specific reset instructions.

8. Specifications

9. Warranty and Support

The Boytond S19 UltraFit Series Earbuds come with a standard warranty. For extended warranty information or to register your product, please refer to the QR codes provided in your Quick Start User Guide or visit the official Boytond support website.

For any technical assistance or customer service inquiries, please contact Boytond customer support through the channels listed in your product documentation.